Base64 is a method of converting binary data (such as pictures) to text format. URL Encoding is a way of converting a string of characters into a hexadecimal number sequence. HTML Encoding is the process of translating special characters in HTML code into their corresponding entities. We offer online Base64, URL, and HTML Encode Decode Tools that allow you to effortlessly decode and encode any string into another format. This is useful for getting to encoded files that aren't in a readable format.